\begin{tabular}{l}
\text{\LARGE{Exponential distribution}}\\
\\\hline\\
\text{The exponential distribution (also known as }\textit{negative exponential distribution}\text{) describes}\\
\text{the time between events in a process in which events occurs continuously and independently}\\
\text{at a constant average rate.}
\\\\\hline\\
\text{\Large{Input parameters}}\\
    \begin{array}{ll}\\
    \\\lambda & \text{inverse scale}\\
    \end{array}
\\\\\hline\\
\text{\Large{Output parameters}}\\
    \begin{array}{ll}\\
    \\\text{Expected value} & \mathbf{\frac{1}{\lambda}}\\
    \\\text{Standard deviation} & \mathbf{\frac{1}{\lambda}}\\
    \\\text{Variance} & \mathbf{\frac{1}{\lambda^2}}\\
    \end{array}
\\\\\hline\\
\text{\Large{Additional information}}\\
    \begin{array}{ll}\\
    \\\text{Probability density function} & \mathbf{\lambda e^{-\lambda x}}\\
    \\\text{Moment-generating function} & \mathbf{\left(1-\frac{it}{\lambda}\right)^{-1}}\\
    \end{array}
\end{tabular}